Note: This term is specific to CockroachDB, a Distributed SQL database. In other contexts, it may be used differently.

What is Quorum?

Quorum is the consensus required to commit changes in a distributed database such as CockroachDB. Different types of distributed databases may use different systems for quorum. CockroachDB uses the Raft Consensus Protocol, in which a minimum of two nodes are required to achieve a consensus (i.e. quorum) in a three-node system.

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